iQ Quiz Game - Improve your Brain. Complete brain exercise for healthier brain. IQ (Intelligence Quotient) in general, is an assessment of ability to think and reason. IQ score is a standardized way of comparing ability with the majority of people of same age. IQ Quiz allows the study of logic and improves your reasoning development. IQ Quiz is a quizzing game with problems and puzzles that are informative, challenging and entertaining. The IQ Quiz will tickle your mind and help boost your analytical, logical, mathematical and quantitative reasoning power. It has huge collection of questions that will help you prepare for competitive entrance exams, interviews as well as to increase your mind power leading to success in your personal, social and professional life.